urbi-exhibitions/dist/serviceWorker-CXs0fuF0.js

## Установка

function r(e) {
  const s = (e == null ? void 0 : e.cacheName) ?? "map-cache", t = (e == null ? void 0 : e.requiredRequestUrl) ?? "2gis.com", n = (e == null ? void 0 : e.ttl) ?? 864e5;
  return `
    const CACHE_NAME = '${s}';
    const REQUIRED_REQUEST_URL = '${t}';
    const TTL = ${n};

    function addTimestamp(response) {
      if (!response) return response;
      const clonedResponse = response.clone();
      const newHeaders = new Headers(clonedResponse.headers);
      newHeaders.set('x-sw-cache-timestamp', Date.now().toString());
      if ([204, 205, 304].includes(clonedResponse.status)) {
        return Promise.resolve(new Response(null, {
          status: clonedResponse.status,
          statusText: clonedResponse.statusText,
          headers: newHeaders
        }));
      }
      return clonedResponse.blob().then(blob =>
        new Response(blob, {
          status: clonedResponse.status,
          statusText: clonedResponse.statusText,
          headers: newHeaders,
        })
      );
    }

    self.addEventListener("install", (event) => {
      console.log("[SW]: установлен");
    });

    self.addEventListener("activate", (event) => {
      console.log("[SW]: активирован");
    });

    self.addEventListener("fetch", (event) => {
      const requestUrl = event.request.url;
      const isGetMethod = event.request.method === "GET";

      if (requestUrl.includes(REQUIRED_REQUEST_URL) && isGetMethod) {
        event.respondWith(
          caches.open(CACHE_NAME).then((cache) => {
            return cache.match(event.request).then((response) => {
              if (response) {
                const timestamp = response.headers.get('x-sw-cache-timestamp');
                if (!timestamp || Date.now() - parseInt(timestamp, 10) <= TTL) {
                  console.log('[SW]: Используется кэш');
                  return response;
                } else {
                  console.log("[SW]: Кэш просрочен");
                }
              }
              return fetch(event.request)
                .then((networkResponse) => {
                  addTimestamp(networkResponse).then((responseWithTimestamp) => {
                    // Кэшируем версию с timestamp
                    cache.put(event.request, responseWithTimestamp)
                      .catch((error) => {
                        console.error("[SW]: Не удалось закэшировать ответ запроса", error);
                      });
                  });

                  console.log('[SW]: Используется сеть');
                  return networkResponse;
                })
                .catch((error) => {
                  console.error("[SW]: Ответ не удалось найти в кэше и сфетчить из сети", error);
                  // Возвращаем пустой Response
                  return new Response('', {
                    status: 503,
                    statusText: 'Tile not available (offline, no cache)',
                    headers: { 'Content-Type': 'text/plain' }
                  });
                });
              })
          }).catch((error) => {
            return new Response('', {
              status: 503,
              statusText: 'Tile not available (cache error)',
              headers: { 'Content-Type': 'text/plain' }
            });
          })
        );
      }
    });
`.trim();
}
export {
  r as g
};